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Article
May 1978

Intraoperative Measurement of Common Duct Resistance

Author Affiliations

From the Department of Surgery, Rush Medical College and Presbyterian-St Luke's Hospital, Chicago.

Arch Surg. 1978;113(5):650-653. doi:10.1001/archsurg.1978.01370170112024
Abstract

• Biliary tract resistance was measured in 142 patients at the time of cholecystectomy, using a simple technique in which contrast media is infused through the cystic duct at a fixed flow rate. A sharp demarcation exists between the resistance of patients with normal and abnormal common bile ducts. A resistance of less than 2.5 units was found in only one patient with a common duct abnormality, and the test was improperly performed in that case. Two patients with normal common ducts had resistance values of greater than 2.5 units, for a false-positive rate of 1.63%. Overall, the technique gave accurate results in 97.9% of the cases studied.

(Arch Surg 113:650-653, 1978)

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